Patched default template, added upper arrow

git-svn-id: https://plugins.svn.wordpress.org/hierarchical-navigation-widget/trunk@787491 b8457f37-d9ea-0310-8a92-e5e31aec5664
Set widget width to 390 Pixels.

git-svn-id: https://plugins.svn.wordpress.org/hierarchical-navigation-widget/trunk@791223 b8457f37-d9ea-0310-8a92-e5e31aec5664